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Function prototypes and a little bit of KNF.

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Committing on behalf of mestre@ who has more to come.
This commit is contained in:
tb 2015-12-24 16:55:13 +00:00
parent 7f0be37c16
commit 15d5404dbf
1 changed files with 48 additions and 28 deletions
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76
games/bs/bs.c
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@ -1,4 +1,4 @@
/* $OpenBSD: bs.c,v 1.31 2015/12/04 10:41:35 tedu Exp $ */
/* $OpenBSD: bs.c,v 1.32 2015/12/24 16:55:13 tb Exp $ */
/*
* Copyright (c) 1986, Bruce Holloway
* All rights reserved.
@ -50,7 +50,41 @@
#include <time.h>
#include <unistd.h>
static int getcoord(int atcpu);
typedef struct {
char *name; /* name of the ship type */
char hits; /* how many times has this ship been hit? */
char symbol; /* symbol for game purposes */
char length; /* length of ship */
signed char x, y; /* coordinates of ship start point */
unsigned char dir; /* direction of `bow' */
bool placed; /* has it been placed on the board? */
} ship_t;
static void announceopts(void);
static int awinna(void);
static bool checkplace(int, ship_t *, int);
static int collidecheck(int, int, int);
static int cpufire(int, int);
static bool cpushipcanfit(int, int, int, int);
static int cputurn(void);
static void do_options(int, char *[]);
static void error(char *);
static int getcoord(int);
static ship_t *hitship(int, int);
static void initgame(void);
static void intro(void);
static void placeship(int, ship_t *, int);
static int playagain(void);
static int plyturn(void);
static void prompt(int, const char *, ...)
__attribute__((__format__ (printf, 2, 3)));
static void randomfire(int *, int *);
static void randomplace(int, ship_t *);
static int rnd(int);
static int scount(int);
static int sgetc(char *);
static void uninitgame(int);
__dead void usage(void);
/*
* Constants for tuning the random-fire algorithm. It prefers moves that
@ -127,43 +161,29 @@ static char dftname[] = "stranger";
#define NW 5
#define N 6
#define NE 7
static int xincr[8] = {1, 1, 0, -1, -1, -1, 0, 1};
static int yincr[8] = {0, 1, 1, 1, 0, -1, -1, -1};
static int xincr[8] = { 1, 1, 0, -1, -1, -1, 0, 1 };
static int yincr[8] = { 0, 1, 1, 1, 0, -1, -1, -1 };
/* current ship position and direction */
static int curx = (BWIDTH / 2);
static int cury = (BDEPTH / 2);
typedef struct
{
char *name; /* name of the ship type */
char hits; /* how many times has this ship been hit? */
char symbol; /* symbol for game purposes */
char length; /* length of ship */
signed char x, y; /* coordinates of ship start point */
unsigned char dir; /* direction of `bow' */
bool placed; /* has it been placed on the board? */
}
ship_t;
static bool checkplace(int b, ship_t *ss, int vis);
ship_t plyship[SHIPTYPES] =
{
{ carrier, 0, 'A', 5, 0, 0, 0, FALSE},
{ battle, 0, 'B', 4, 0, 0, 0, FALSE},
{ destroy, 0, 'D', 3, 0, 0, 0, FALSE},
{ sub, 0, 'S', 3, 0, 0, 0, FALSE},
{ ptboat, 0, 'P', 2, 0, 0, 0, FALSE}
{ carrier, 0, 'A', 5, 0, 0, 0, FALSE },
{ battle, 0, 'B', 4, 0, 0, 0, FALSE },
{ destroy, 0, 'D', 3, 0, 0, 0, FALSE },
{ sub, 0, 'S', 3, 0, 0, 0, FALSE },
{ ptboat, 0, 'P', 2, 0, 0, 0, FALSE }
};
ship_t cpuship[SHIPTYPES] =
{
{ carrier, 0, 'A', 5, 0, 0, 0, FALSE},
{ battle, 0, 'B', 4, 0, 0, 0, FALSE},
{ destroy, 0, 'D', 3, 0, 0, 0, FALSE},
{ sub, 0, 'S', 3, 0, 0, 0, FALSE},
{ ptboat, 0, 'P', 2, 0, 0, 0, FALSE}
{ carrier, 0, 'A', 5, 0, 0, 0, FALSE },
{ battle, 0, 'B', 4, 0, 0, 0, FALSE },
{ destroy, 0, 'D', 3, 0, 0, 0, FALSE },
{ sub, 0, 'S', 3, 0, 0, 0, FALSE },
{ ptboat, 0, 'P', 2, 0, 0, 0, FALSE }
};
/* The following variables (and associated defines), used for computer